| English | eng-000 |
| call wire | |
| 普通话 | cmn-000 | 传号线 |
| 普通话 | cmn-000 | 呼叫线路 |
| 普通话 | cmn-000 | 联络线 |
| 普通话 | cmn-000 | 记录线 |
| English | eng-000 | Interconnection |
| English | eng-000 | junctor |
| English | eng-000 | lead-in wire |
| English | eng-000 | link line |
| English | eng-000 | order line |
| English | eng-000 | order wire |
| English | eng-000 | tie line |